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libweston: print head names on output enable

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This will be interesting to see when testing clone mode.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Acked-by: Derek Foreman <derekf@osg.samsung.com>
This commit is contained in:
Pekka Paalanen
2017-11-02 14:03:11 +02:00
parent 42c0e14808
commit 3e8f201878
1 changed files with 32 additions and 0 deletions
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libweston/compositor.c
+32
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@@ -5482,6 +5482,32 @@ weston_compositor_add_pending_output(struct weston_output *output,
wl_list_insert(compositor->pending_output_list.prev, &output->link);
}
/** Create a string with the attached heads' names.
*
* The string must be free()'d.
*/
static char *
weston_output_create_heads_string(struct weston_output *output)
{
FILE *fp;
char *str = NULL;
size_t size = 0;
struct weston_head *head;
const char *sep = "";
fp = open_memstream(&str, &size);
if (!fp)
return NULL;
wl_list_for_each(head, &output->head_list, output_link) {
fprintf(fp, "%s%s", sep, head->name);
sep = ", ";
}
fclose(fp);
return str;
}
/** Constructs a weston_output object that can be used by the compositor.
*
* \param output The weston_output object that needs to be enabled. Must not
@@ -5521,6 +5547,7 @@ weston_output_enable(struct weston_output *output)
struct weston_compositor *c = output->compositor;
struct weston_output *iterator;
struct weston_head *head;
char *head_names;
int x = 0, y = 0;
if (output->enabled) {
@@ -5585,6 +5612,11 @@ weston_output_enable(struct weston_output *output)
weston_compositor_add_output(output->compositor, output);
head_names = weston_output_create_heads_string(output);
weston_log("Output '%s' enabled with head(s) %s\n",
output->name, head_names);
free(head_names);
return 0;
}